Bogner Alchemist 212 - Tubes and Their Roles; Tube Functions and Layout; Tube Experimentation Advice

Alchemist User Manual
6
Tubes
YourAlchemistcomeswithamatchedpairof6L6poweramptubesdependingonavailability.Five
12AX7/ECC83tubesareusedinthepreamp.Seebelowforindividualfunctions.
Note: If you want to experiment with different tubes, you can reduce the potential for amp noise by 1)
choosing lower gain tubes, and 2) placing any higher gain tubes earlier in the signal chain (the signall
flows in order from V1, to V2, etc.).
• V1-Firststage,Channel1andChannel2/Secondstage,Channel1
• V2-Crunchstage,Channel1/Secondstage,Channel2
• V3-Thirdstage,Channel2/Fourthstage,Channel2
• V4-ExternalFXLoop/InternalFX
• V5-Power Amp Phase Inverter
• V6&V7- Power Amp Tubes